Jonathan D. Castellanos

Senior Associate
  • Commercial Real Estate Lending
  • Commercial Real Estate Transactions


Jonathan D. Castellanos is a Senior Associate in K&F’s Commercial Real Estate Lending Group and has closed over $2 billion in deals over the course of his career. Jonathan represents lenders and borrowers in connection with their mortgage and/or subordinate financing transactions involving various asset classes. His practice involves drafting and negotiating loan and ancillary documents, leases, opinions, and organizational documents. Jonathan is highly skilled in conducting a full due diligence review of all transaction documents.

Jonathan chairs K&F’s Diversity & Inclusion Committee, an internal forum with a mission of ensuring that all K&F employees are consistently heard, represented, and respected. He has been selected by Super Lawyers® as a “Top Rated Real Estate Attorney” and has been named to New York Metro Super Lawyers ® Rising Stars.

Prior to joining K&F, Jonathan worked at several prominent New York law firms. He received his B.S. in Industrial and Labor Relations from Cornell University and his J.D. from Cornell Law School.

Honors & Awards

  • Selected to New York Metro Super Lawyers® Rising Stars, 2021
  • Cornell Law School Scholarship recipient
  • Paul D. White Scholar
  • Undergraduate Scholarships Received: Cornell Alumni Scholarship, Hispanic Scholarship Fund’s Citi Fellows Award, Don Rosenthal Scholarship, Garrett B. Smith Scholarship, Vuillermet Scholarship, and Samuel & Lillian Pearsall Scholarship

Professional Experience

  • Greenspoon Marder LLP, Real Estate Associate
  • Arent Fox LLP, Real Estate Associate
  • Dechert LLP, Finance and Real Estate Associate


Cornell Law School, J.D. with a Degree Concentration in Advocacy

  • CALI Excellence for the Future Award Recipient
  • Notes Editor for the Journal of Law and Public Policy
  • Moot Court Board
  • Cornell Mock Trial
  • Student Council for: (i) Advocacy for LGBT Communities Clinic and (ii) Family Law Clinic
  • Teaching Assistant for: (i) Real Estate Law and (ii) Law for Entrepreneurs


Cornell University, B.S., Industrial and Labor Relations

  • Dean’s List
  • Pi Kappa Phi, Phi Alpha Delta, Student Assembly, Cornell Delta Epsilon Chi Association, ILR Student Government Association, Society for Human Resource Management, and School of Industrial and Labor Relations Ambassador


  • State of New York
  • Commonwealth of Pennsylvania